Finding the Fourth Proportional to 77,510.34, 106,996.77 and 52,393.86

Step by Step Solution

1. Step 1: Write the proportion equation
   77,510.34 : 106,996.77 = 52,393.86 : x
2. Step 2: Convert to fraction form
   77,510.34/106,996.77 = 52,393.86/x
3. Step 3: Cross multiply
   77,510.34x = 106,996.77 × 52,393.86
4. Step 4: Simplify right side
   77,510.34x = 5,605,973,787.83
5. Step 5: Solve for x
   x = 5,605,973,787.83/77,510.34
6. Step 6: Final answer
   x = 72,325.50